///
/// Copyright © 2016-2023 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///

import { ActivationEnd, Router } from '@angular/router';
import { Injectable } from '@angular/core';
import { select, Store } from '@ngrx/store';
import { Actions, createEffect, ofType } from '@ngrx/effects';
import { TranslateService } from '@ngx-translate/core';
import { merge } from 'rxjs';
import { distinctUntilChanged, filter, map, tap, withLatestFrom } from 'rxjs/operators';

import { SettingsActions, SettingsActionTypes, } from './settings.actions';
import { selectSettingsState } from './settings.selectors';
import { AppState } from '@app/core/core.state';
import { LocalStorageService } from '@app/core/local-storage/local-storage.service';
import { TitleService } from '@app/core/services/title.service';
import { updateUserLang } from '@app/core/settings/settings.utils';
import { UtilsService } from '@core/services/utils.service';
import { getCurrentAuthUser } from '@core/auth/auth.selectors';
// import { ActionAuthUpdateLastPublicDashboardId } from '../auth/auth.actions';

export const SETTINGS_KEY = 'SETTINGS';

@Injectable()
export class SettingsEffects {
  constructor(
      private actions$: Actions<SettingsActions>,
      private store: Store<AppState>,
      private utils: UtilsService,
      private router: Router,
      private localStorageService: LocalStorageService,
      private titleService: TitleService,
      private translate: TranslateService
  ) {
  }


  persistSettings = createEffect(() => this.actions$.pipe(
      ofType(
          SettingsActionTypes.CHANGE_LANGUAGE,
      ),
      withLatestFrom(this.store.pipe(select(selectSettingsState))),
      tap(([action, settings]) =>
          this.localStorageService.setItem(SETTINGS_KEY, settings)
      )
  ), {dispatch: false});


  setTranslateServiceLanguage = createEffect(() => this.store.pipe(
      select(selectSettingsState),
      map(settings => settings.userLang),
      distinctUntilChanged(),
      tap(userLang => updateUserLang(this.translate, userLang))
  ), {dispatch: false});


  setTitle = createEffect(() => merge(
      this.actions$.pipe(ofType(SettingsActionTypes.CHANGE_LANGUAGE)),
      this.router.events.pipe(filter(event => event instanceof ActivationEnd))
  ).pipe(
      tap(() => {
        this.titleService.setTitle(
            this.router.routerState.snapshot.root,
            this.translate
        );
      })
  ), {dispatch: false});


  // setPublicId = createEffect(() => merge(
  //     this.router.events.pipe(filter(event => event instanceof ActivationEnd))
  // ).pipe(
  //     tap((event) => {
  //       const authUser = getCurrentAuthUser(this.store);
  //       const snapshot = (event as ActivationEnd).snapshot;
  //       if (authUser && authUser.isPublic && snapshot.url && snapshot.url.length
  //           && snapshot.url[0].path === 'dashboard') {
  //         this.utils.updateQueryParam('publicId', authUser.sub);
  //         this.store.dispatch(new ActionAuthUpdateLastPublicDashboardId(
  //             { lastPublicDashboardId: snapshot.params.dashboardId}));
  //       }
  //     })
  // ), {dispatch: false});
}
